AirHint found the following cheapest return flights from Singapore (SIN) to Colombo (CMB) in May 2026 (see full year).

Return flights

14 May - 21 May	AirAsia
07 May - 13 May	AirAsia
07 May - 19 May	AirAsia
13 May - 16 May	AirAsia
09 May - 20 May	AirAsia
25 May - 02 Jun	AirAsia
22 May - 31 May	AirAsia
23 May - 01 Jun	AirAsia
13 May - 16 May	Singapore Airlines	direct
14 May - 21 May	Singapore Airlines	direct
07 May - 13 May	Singapore Airlines	direct
17 May - 25 May	Singapore Airlines	direct
25 May - 02 Jun	Singapore Airlines	direct
23 May - 01 Jun	Singapore Airlines	direct

Also check the deals for one-way flights from Singapore to Colombo in May.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Singapore to Colombo in May from $252

Return flights